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From: "zsojka at seznam dot cz" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/99863] New: [10/11 Regression] wrong code with -O -fno-tree-forwprop -mno-sse2
Date: Thu, 01 Apr 2021 08:44:32 +0000	[thread overview]
Message-ID: <bug-99863-4@http.gcc.gnu.org/bugzilla/> (raw)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99863

            Bug ID: 99863
           Summary: [10/11 Regression] wrong code with -O
                    -fno-tree-forwprop -mno-sse2
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Keywords: wrong-code
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: zsojka at seznam dot cz
  Target Milestone: ---
              Host: x86_64-pc-linux-gnu
            Target: x86_64-pc-linux-gnu

Created attachment 50493
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50493&action=edit
reduced testcase

Output:
$ x86_64-pc-linux-gnu-gcc -O -fno-tree-forwprop -mno-sse2 testcase.c -Wno-psabi
$ ./a.out 
Aborted

$ x86_64-pc-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r11-7937-20210331154556-geadf009b229-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/11.0.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--with-cloog --with-ppl --with-isl --build=x86_64-pc-linux-gnu
--host=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu
--with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r11-7937-20210331154556-geadf009b229-checking-yes-rtl-df-extra-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 11.0.1 20210331 (experimental) (GCC)

             reply	other threads:[~2021-04-01  8:44 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-01  8:44 zsojka at seznam dot cz [this message]
2021-04-01  9:01 ` [Bug target/99863] " rguenth at gcc dot gnu.org
2021-04-01  9:14 ` rguenth at gcc dot gnu.org
2021-04-01  9:58 ` rguenth at gcc dot gnu.org
2021-04-01 10:02 ` [Bug target/99863] [10/11 Regression] wrong code with -O -fno-tree-forwprop -mno-sse2 since r10-7268-g529ea7d9596b26ba marxin at gcc dot gnu.org
2021-04-01 10:24 ` rguenth at gcc dot gnu.org
2021-04-01 10:45 ` [Bug rtl-optimization/99863] " rguenth at gcc dot gnu.org
2021-04-01 10:47 ` cvs-commit at gcc dot gnu.org
2021-04-01 11:16 ` ebotcazou at gcc dot gnu.org
2021-04-01 11:28 ` ebotcazou at gcc dot gnu.org
2021-04-01 12:26 ` jakub at gcc dot gnu.org
2021-04-01 12:45 ` rguenther at suse dot de
2021-04-01 13:01 ` jakub at gcc dot gnu.org
2021-04-01 13:23 ` jakub at gcc dot gnu.org
2021-04-01 13:27 ` jakub at gcc dot gnu.org
2021-04-01 13:32 ` rguenther at suse dot de
2021-04-01 13:35 ` jakub at gcc dot gnu.org
2021-04-01 13:54 ` jakub at gcc dot gnu.org
2021-04-03  8:07 ` cvs-commit at gcc dot gnu.org
2021-04-03  8:16 ` [Bug rtl-optimization/99863] [10 " jakub at gcc dot gnu.org
2021-04-08 12:02 ` rguenth at gcc dot gnu.org
2021-04-20  9:45 ` cvs-commit at gcc dot gnu.org
2021-04-20  9:50 ` jakub at gcc dot gnu.org
2021-04-20 23:34 ` cvs-commit at gcc dot gnu.org
2021-04-22 16:52 ` cvs-commit at gcc dot gnu.org

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